<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>2022-12-15:行高</title>
    <style>
        /* div{
            width:500px;
            border:1px solid red;
            text-align:50px;
            
            /* border:1px solid red;
            font-size:50px;
            font-weight:normal;
            font-weight:900; */
            /* line-height:2;表示行高就是字体的指定倍数：2倍 */
            /* font:bold italic 50px/2 'Times New Roman',Times,serif; */
            /* font-size:50px;
            height:200px;
            line-height:200px;
            border:1px red solid; 
        } */
        /* span{

            vertical-align: bottom;
        } */
        .box1{
            font-size:50px;
            text-decoration:overline red dotted;
            white-space:pre;
        }

    </style>
</head>
<body>
    <div class="box1">
        今天天气真不错！嘿嘿！
        a b 
        c
        <!-- <span>hello world!</span> -->
    </div>
</body>
</html>